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Home >> Cadillac >> 2021 >> CT4 V, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (3 Of 6) >> Positive Crankcase Ventilation Tube Replacement (Fresh Air) >> Installation Procedure

Installation Procedure

  1. GM5523067Courtesy of GENERAL MOTORS COMPANY

    Connect the positive crankcase ventilation tube (1) to the evaporative emission canister purge solenoid valve, and the positive crankcase ventilation valve. Plastic Collar Quick Connect Fitting Service

  2. GM5432174Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Install

  3. GM5432171Courtesy of GENERAL MOTORS COMPANY

    Push down on the front of the intake manifold cover (2).

  4. Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
  5. Install the oil fill cap.